CN211116708U - Multi-wing centrifugal fan air ducting - Google Patents

Multi-wing centrifugal fan air ducting Download PDF

Info

Publication number
CN211116708U
CN211116708U CN201921893491.1U CN201921893491U CN211116708U CN 211116708 U CN211116708 U CN 211116708U CN 201921893491 U CN201921893491 U CN 201921893491U CN 211116708 U CN211116708 U CN 211116708U
Authority
CN
China
Prior art keywords
air guide
fan
air
guide device
fixedly installed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921893491.1U
Other languages
Chinese (zh)
Inventor
黄海山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Yalutai Ventilation Equipment Co ltd
Original Assignee
Foshan Yalutai Ventilation Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Yalutai Ventilation Equipment Co ltd filed Critical Foshan Yalutai Ventilation Equipment Co ltd
Priority to CN201921893491.1U priority Critical patent/CN211116708U/en
Application granted granted Critical
Publication of CN211116708U publication Critical patent/CN211116708U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

本实用新型涉及多翼式离心风机技术领域,公开了一种多翼式离心风机导风装置,所述进风口的一侧固定安装有风机,所述进风口与风机的中间处连接有导风装置,所述风机的底部固定安装有机座,所述导风装置的一侧固定安装有出风口,所述导风装置的外表面套接在支撑组件的内部,本实用新型采用的导风装置,通过电机带动转轴,转轴带动旋转叶,旋转叶开始吸收外部空气,从而进入风机,风机通过出风口传输出去,整个设计结构简洁,有效的减少进风口处的进风空间,使气流在风机中的流程缩短,使气流集中且损耗少,气流密度变大,进而提高了效率,一定程度上降低了噪音,设置的支撑组件,可对离心风机安装在其他物体时起到支撑作用。

Figure 201921893491

The utility model relates to the technical field of multi-blade centrifugal fans, and discloses a multi-blade centrifugal fan air guide device. A fan is fixedly installed on one side of the air inlet, and a wind guide is connected between the air inlet and the fan. The bottom of the fan is fixedly installed with a base, one side of the air guide device is fixedly installed with an air outlet, and the outer surface of the air guide device is sleeved inside the support assembly. , through the motor to drive the rotating shaft, the rotating shaft drives the rotating blade, the rotating blade begins to absorb the external air, thus entering the fan, and the fan is transmitted through the air outlet. The air flow is shortened, the air flow is concentrated and the loss is less, the air flow density is increased, the efficiency is improved, and the noise is reduced to a certain extent.

Figure 201921893491

Description

一种多翼式离心风机导风装置A multi-wing centrifugal fan air guide device

技术领域technical field

本实用新型涉及多翼式离心风机技术领域,具体是一种多翼式离心风机导风装置。The utility model relates to the technical field of a multi-blade centrifugal fan, in particular to an air guide device for a multi-blade centrifugal fan.

背景技术Background technique

多翼式离心风机广泛用于工厂、矿井、隧道、冷却塔、车辆、船舶和建筑物的通风、排尘和冷却,锅炉和工业炉窑的通风和引风,空气调节设备和家用电器设备中的冷却和通风;谷物的烘干和选送;风洞风源和气垫船的充气和推进等,离心风机可以采用叶片前倾或后倾叶片,对风量风压的要求适应更广,多翼式离心风可制成右旋和左旋两种型式。Multi-blade centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced draft of boilers and industrial furnaces, air conditioning equipment and household appliances. Cooling and ventilation; drying and selection of grain; inflation and propulsion of wind tunnel air source and hovercraft. Wind can be made into two types of right-handed and left-handed.

但是传统的多翼式离心风机,风机安装在其他物体时不稳定,且在进风时对风进行了阻挡,进风不顺畅,能耗损失严重且进风口较大,气流容易紊乱,效率下降。因此,本领域技术人员提供了一种多翼式离心风机导风装置,以解决上述背景技术中提出的问题。However, the traditional multi-blade centrifugal fan is unstable when the fan is installed on other objects, and the wind is blocked when entering the air. The air intake is not smooth, the energy loss is serious, the air inlet is large, the airflow is easily disordered, and the efficiency is reduced. . Therefore, those skilled in the art provide an air guide device for a multi-blade centrifugal fan to solve the above-mentioned problems in the background art.

实用新型内容Utility model content

本实用新型的目的在于提供一种多翼式离心风机导风装置,以解决上述背景技术中提出的问题。The purpose of the present utility model is to provide a multi-blade centrifugal fan wind guide device to solve the problems raised in the above background technology.

为实现上述目的,本实用新型提供如下技术方案:To achieve the above object, the utility model provides the following technical solutions:

一种多翼式离心风机导风装置,包括进风口、风机、机座和出风口,所述进风口的一侧固定安装有风机,所述进风口与风机的中间处连接有导风装置,所述风机的底部固定安装有机座,所述导风装置的一侧固定安装有出风口,所述导风装置的外表面套接在支撑组件的内部。A multi-blade centrifugal fan air guide device includes an air inlet, a fan, a machine base and an air outlet, a fan is fixedly installed on one side of the air inlet, and an air guide device is connected between the air inlet and the fan, A base is fixedly installed on the bottom of the fan, an air outlet is fixedly installed on one side of the air guide device, and the outer surface of the air guide device is sleeved inside the support assembly.

作为本实用新型再进一步的方案:所述导风装置包括转轴、旋转叶、导风筒和电机,所述风机的一侧与电机的一侧相连接,所述电机的另一侧固定安装有导风筒,所述导风筒的一端固定安装有进风口,且导风筒的内部套接有转轴,所述转轴的外表面固定安装有旋转叶。As a further solution of the present invention: the air guide device includes a rotating shaft, a rotating blade, an air guide tube and a motor, one side of the fan is connected to one side of the motor, and the other side of the motor is fixedly installed with a An air guide tube, one end of the air guide tube is fixedly installed with an air inlet, a rotating shaft is sleeved inside the air guide tube, and a rotating blade is fixedly installed on the outer surface of the rotating shaft.

作为本实用新型再进一步的方案:所述转轴的一端固定安装在电机的输出端上,且转轴的长度和导风筒的长度相等,所述导风筒为中空管状结构,且导风筒与电机为互通结构,所述旋转叶的数量为三个。As a further solution of the present utility model: one end of the rotating shaft is fixedly installed on the output end of the motor, and the length of the rotating shaft is equal to the length of the air guide tube, the air guide tube is a hollow tubular structure, and the air guide tube and The motor is an interconnected structure, and the number of the rotating blades is three.

作为本实用新型再进一步的方案:所述支撑组件包括外壳、横梁、竖梁、通孔、支架、驱动轴和轴承,所述驱动轴套接与轴承的内部,所述轴承固定安装在横梁的上表面中心处,所述横梁的下表面中心处安装有竖梁,所述横梁和竖梁均通过螺丝固定安装在外壳的一侧,所述外壳的另一侧固定安装有支架,所述支架的上表面开设有通孔。As a further solution of the present invention: the support assembly includes a casing, a beam, a vertical beam, a through hole, a bracket, a drive shaft and a bearing, the drive shaft is sleeved with the inside of the bearing, and the bearing is fixedly installed on the side of the beam. At the center of the upper surface, a vertical beam is installed at the center of the lower surface of the beam. There are through holes on the upper surface.

作为本实用新型再进一步的方案:所述横梁与竖梁为上下垂直安装,且横梁与竖梁的连接处上表面通过螺丝固定有轴承,所述轴承的内壁半径和驱动轴的半径相等,所述横梁的长度为竖梁长度的二倍,且横梁和竖梁均为不锈钢材质构件。As a further scheme of the present invention: the beam and the vertical beam are vertically installed up and down, and the upper surface of the connection between the beam and the vertical beam is fixed with a bearing by screws, and the inner wall radius of the bearing is equal to the radius of the drive shaft, so The length of the beam is twice the length of the vertical beam, and both the beam and the vertical beam are made of stainless steel.

作为本实用新型再进一步的方案:所述支架为L型结构,所述通孔的数量为四个,且通孔均匀分布在支架的上表面,所述外壳为中空长方体结构。As a further solution of the present invention, the bracket is an L-shaped structure, the number of the through holes is four, and the through holes are evenly distributed on the upper surface of the bracket, and the shell is a hollow cuboid structure.

与现有技术相比,本实用新型的有益效果是:Compared with the prior art, the beneficial effects of the present utility model are:

1、本实用新型设置的支撑组件,利用横梁竖梁之间的螺栓连接,驱动轴和轴承的相互结合,同时固定在进风口的一侧,同时整个外壳的包覆,可对离心风机安装在其他物体时起到支撑作用,同时防止受到其他因素破坏,且多翼式离心风机在使用时进风顺畅,通风效果更好,L型支架上通孔在维修时方便拆装,使得多翼式离心风机使用更方便。1. The support assembly provided by the utility model utilizes the bolt connection between the beams and the vertical beams, the combination of the drive shaft and the bearing, and is fixed on one side of the air inlet at the same time. It supports other objects and prevents damage from other factors, and the multi-blade centrifugal fan has smooth air intake and better ventilation during use. Centrifugal fans are more convenient to use.

2、本实用新型采用的导风装置,通过电机带动转轴,转轴带动旋转叶,旋转叶开始吸收外部空气,从而进入风机,风机通过出风口传输出去,整个设计结构简洁,有效的减少进风口处的进风空间,使气流在风机中的流程缩短,使气流集中且损耗少,气流密度变大,进而提高了效率,同时在一定程度上降低了噪音。2. The air guide device adopted by the utility model drives the rotating shaft through the motor, the rotating shaft drives the rotating blade, and the rotating blade begins to absorb the external air, thereby entering the fan, and the fan is transmitted through the air outlet. The large air inlet space shortens the flow of air flow in the fan, makes the air flow concentrated with less loss, and increases the air flow density, thereby improving the efficiency and reducing noise to a certain extent.

附图说明Description of drawings

图1为一种多翼式离心风机导风装置的结构示意图;Fig. 1 is the structural representation of a kind of multi-blade centrifugal fan air guide device;

图2为一种多翼式离心风机导风装置中导风装置的内部结构示意图;2 is a schematic diagram of the internal structure of an air guide device in a multi-blade centrifugal fan air guide device;

图3为一种多翼式离心风机导风装置中支撑组件的侧视图;3 is a side view of a support assembly in a multi-blade centrifugal fan air guide device;

图中:1、外壳;2、进风口;3、横梁;4、竖梁;5、通孔;6、支架;7、驱动轴;8、转轴;9、旋转叶;10、导风筒;11、风机;12、导风装置;13、机座;14、出风口;15、电机;16、轴承;17、支撑组件。In the figure: 1. Shell; 2. Air inlet; 3. Beam; 4. Vertical beam; 5. Through hole; 6. Bracket; 7. Drive shaft; 8. Rotating shaft; 11. Fan; 12. Air guiding device; 13. Machine base; 14. Air outlet; 15. Motor; 16. Bearing; 17. Support assembly.

具体实施方式Detailed ways

请参阅图1~3,本实用新型实施例中,一种多翼式离心风机导风装置,包括进风口2、风机11、机座13和出风口14,进风口2的一侧固定安装有风机11,进风口2与风机11的中间处连接有导风装置12,风机11的底部固定安装有机座13,导风装置12的一侧固定安装有出风口14,导风装置12的外表面套接在支撑组件17的内部,导风装置12包括转轴8、旋转叶9、导风筒10和电机15,电机15的型号为Y80M1-2,电机15的前表面安装有控制开关,控制开关内部安装有控制电机15的控制器,控制器型号为DP-TMA-4B,风机11的一侧与电机15的一侧相连接,电机15的另一侧固定安装有导风筒10,导风筒10的一端固定安装有进风口2,且导风筒10的内部套接有转轴8,转轴8的外表面固定安装有旋转叶9,转轴8的一端固定安装在电机15的输出端上,且转轴8的长度和导风筒10的长度相等,导风筒10为中空管状结构,且导风筒10与电机15为互通结构,旋转叶9的数量为三个,风机11通过出风口14传输出去,整个设计结构简洁,有效的减少进风口2处的进风空间,使气流在风机11中的流程缩短,使气流集中且损耗少进而提高效率。Please refer to FIGS. 1 to 3. In the embodiment of the present invention, a multi-blade centrifugal fan air guide device includes an air inlet 2, a fan 11, a machine base 13 and an air outlet 14. One side of the air inlet 2 is fixedly installed with a Fan 11, an air guide device 12 is connected between the air inlet 2 and the fan 11, the bottom of the fan 11 is fixedly installed with a base 13, one side of the air guide device 12 is fixedly installed with an air outlet 14, and the outer surface of the air guide device 12 is fixedly installed. The air guide device 12 includes a rotating shaft 8, a rotating blade 9, an air guide tube 10 and a motor 15. The model of the motor 15 is Y80M1-2, and a control switch is installed on the front surface of the motor 15. The control switch A controller for controlling the motor 15 is installed inside. The controller model is DP-TMA-4B. One side of the fan 11 is connected to one side of the motor 15. One end of the cylinder 10 is fixedly installed with the air inlet 2, and the interior of the air guide cylinder 10 is sleeved with a rotating shaft 8, the outer surface of the rotating shaft 8 is fixedly installed with a rotating blade 9, and one end of the rotating shaft 8 is fixedly installed on the output end of the motor 15, And the length of the rotating shaft 8 is equal to the length of the air guide tube 10, the air guide tube 10 is a hollow tubular structure, and the air guide tube 10 and the motor 15 are in an intercommunication structure, the number of rotating blades 9 is three, and the fan 11 passes through the air outlet 14. After transmission, the entire design structure is simple, which effectively reduces the air intake space at the air inlet 2, shortens the flow of the air flow in the fan 11, makes the air flow concentrated and has less loss, thereby improving the efficiency.

在图1和图3中:支撑组件17包括外壳1、横梁3、竖梁4、通孔5、支架6、驱动轴7和轴承16,驱动轴7套接与轴承16的内部,轴承16固定安装在横梁3的上表面中心处,横梁3的下表面中心处安装有竖梁4,横梁3和竖梁4均通过螺丝固定安装在外壳1的一侧,外壳1的另一侧固定安装有支架6,支架6的上表面开设有通孔5,横梁3与竖梁4为上下垂直安装,且横梁3与竖梁4的连接处上表面通过螺丝固定有轴承16,横梁3的长度为竖梁4长度的二倍,且横梁3和竖梁4均为不锈钢材质构件,轴承16的内壁半径和驱动轴7的半径相等,支架6为L型结构,通孔5的数量为四个,且通孔5均匀分布在支架6的上表面,外壳1为中空长方体结构,将横梁3和竖梁4从外壳1上拆下来,取出多翼式离心风机,方便对多翼式离心风机内部进行检修,使得多翼式离心风机使用率进一步增加。In Figures 1 and 3: the support assembly 17 includes a housing 1, a cross beam 3, a vertical beam 4, a through hole 5, a bracket 6, a drive shaft 7 and a bearing 16, the drive shaft 7 is sleeved with the inside of the bearing 16, and the bearing 16 is fixed It is installed at the center of the upper surface of the beam 3, and a vertical beam 4 is installed at the center of the lower surface of the beam 3. Support 6, the upper surface of the support 6 is provided with a through hole 5, the beam 3 and the vertical beam 4 are vertically installed up and down, and the upper surface of the connection between the beam 3 and the vertical beam 4 is fixed with a bearing 16 by screws, and the length of the beam 3 is vertical. Twice the length of the beam 4, and the cross beam 3 and the vertical beam 4 are stainless steel components, the inner wall radius of the bearing 16 is equal to the radius of the drive shaft 7, the bracket 6 is an L-shaped structure, the number of through holes 5 is four, and The through holes 5 are evenly distributed on the upper surface of the bracket 6, and the casing 1 is a hollow cuboid structure. Remove the beam 3 and the vertical beam 4 from the casing 1, and take out the multi-blade centrifugal fan to facilitate the maintenance of the interior of the multi-blade centrifugal fan. , which further increases the utilization rate of the multi-blade centrifugal fan.

本实用新型的工作原理是:将多翼式离心风机放入外壳1内,利用横梁3和竖梁4之间的螺栓连接,固定在外壳1的一侧,而驱动轴7和轴承16的相互结合,同时固定在进风口2的一侧,同时整个外壳1的包覆,可对离心风机安装在其他物体时起到支撑作用,同时防止受到其他因素破坏,且多翼式离心风机在使用时进风顺畅,通风效果更好,L型支架6上的通孔5在维修时方便拆装,使得多翼式离心风机使用更方便,在使用多翼式离心风机时,打开控制开关,通过电机15带动转轴8,转轴8带动旋转叶9,旋转叶9开始吸收外部空气,从而进入风机11,风机11通过出风口14传输出去,整个设计结构简洁,有效的减少进风口2处的进风空间,使气流在风机中的流程缩短,使气流集中且损耗少,气流密度变大,进而提高了效率,同时在一定程度上降低了噪音。The working principle of the present invention is as follows: put the multi-wing centrifugal fan into the casing 1, use the bolt connection between the beam 3 and the vertical beam 4, and fix it on one side of the casing 1, and the drive shaft 7 and the bearing 16 are mutually connected. Combined, fixed on one side of the air inlet 2 at the same time, and at the same time the entire casing 1 is covered, which can support the centrifugal fan when it is installed on other objects, and at the same time prevent damage from other factors, and the multi-blade centrifugal fan is in use. The air intake is smooth and the ventilation effect is better. The through hole 5 on the L-shaped bracket 6 is convenient for disassembly and assembly during maintenance, which makes the multi-blade centrifugal fan more convenient to use. 15 drives the rotating shaft 8, the rotating shaft 8 drives the rotating blade 9, and the rotating blade 9 starts to absorb the external air, thereby entering the fan 11, and the fan 11 is transmitted out through the air outlet 14. The whole design structure is simple and effectively reduces the air intake space at the air inlet 2 , which shortens the flow of airflow in the fan, concentrates the airflow with less loss, and increases the airflow density, thereby improving the efficiency and reducing noise to a certain extent.

以上所述的,仅为本实用新型较佳的具体实施方式,但本实用新型的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内,根据本实用新型的技术方案及其实用新型构思加以等同替换或改变,都应涵盖在本实用新型的保护范围之内。The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The technical solution of the utility model and its utility model concept are equivalently replaced or changed, and should be covered within the protection scope of the present utility model.

Claims (6)

1.一种多翼式离心风机导风装置,包括进风口(2)、风机(11)、机座(13)和出风口(14),其特征在于,所述进风口(2)的一侧固定安装有风机(11),所述进风口(2)与风机(11)的中间处连接有导风装置(12),所述风机(11)的底部固定安装有机座(13),所述导风装置(12)的一侧固定安装有出风口(14),所述导风装置(12)的外表面套接在支撑组件(17)的内部。1. A multi-blade centrifugal fan air guide device, comprising an air inlet (2), a fan (11), a machine base (13) and an air outlet (14), characterized in that one of the air inlets (2) A fan (11) is fixedly installed on the side, an air guide device (12) is connected between the air inlet (2) and the fan (11), and a base (13) is fixedly installed at the bottom of the fan (11). An air outlet (14) is fixedly installed on one side of the air guide device (12), and the outer surface of the air guide device (12) is sleeved inside the support assembly (17). 2.根据权利要求1所述的一种多翼式离心风机导风装置,其特征在于,所述导风装置(12)包括转轴(8)、旋转叶(9)、导风筒(10)和电机(15),所述风机(11)的一侧与电机(15)的一侧相连接,所述电机(15)的另一侧固定安装有导风筒(10),所述导风筒(10)的一端固定安装有进风口(2),且导风筒(10)的内部套接有转轴(8),所述转轴(8)的外表面固定安装有旋转叶(9)。2. A multi-blade centrifugal fan air guide device according to claim 1, characterized in that, the air guide device (12) comprises a rotating shaft (8), a rotating blade (9), an air guide tube (10) and the motor (15), one side of the fan (11) is connected to one side of the motor (15), and the other side of the motor (15) is fixedly installed with an air guide (10), the air guide An air inlet (2) is fixedly installed at one end of the cylinder (10), and a rotating shaft (8) is sleeved inside the air guide cylinder (10), and a rotating blade (9) is fixedly installed on the outer surface of the rotating shaft (8). 3.根据权利要求2所述的一种多翼式离心风机导风装置,其特征在于,所述转轴(8)的一端固定安装在电机(15)的输出端上,且转轴(8)的长度和导风筒(10)的长度相等,所述导风筒(10)为中空管状结构,且导风筒(10)与电机(15)为互通结构,所述旋转叶(9)的数量为三个。3. A multi-blade centrifugal fan air guide device according to claim 2, wherein one end of the rotating shaft (8) is fixedly installed on the output end of the motor (15), and the The length is equal to the length of the air guide tube (10), the air guide tube (10) is a hollow tubular structure, and the air guide tube (10) and the motor (15) are in an intercommunication structure, and the number of the rotating blades (9) for three. 4.根据权利要求1所述的一种多翼式离心风机导风装置,其特征在于,所述支撑组件(17)包括外壳(1)、横梁(3)、竖梁(4)、通孔(5)、支架(6)、驱动轴(7)和轴承(16),所述驱动轴(7)套接与轴承(16)的内部,所述轴承(16)固定安装在横梁(3)的上表面中心处,所述横梁(3)的下表面中心处安装有竖梁(4),所述横梁(3)和竖梁(4)均通过螺丝固定安装在外壳(1)的一侧,所述外壳(1)的另一侧固定安装有支架(6),所述支架(6)的上表面开设有通孔(5)。4. A multi-blade centrifugal fan air guide device according to claim 1, wherein the support assembly (17) comprises a casing (1), a beam (3), a vertical beam (4), a through hole (5), a bracket (6), a drive shaft (7) and a bearing (16), the drive shaft (7) is sleeved with the inside of the bearing (16), and the bearing (16) is fixedly mounted on the beam (3) At the center of the upper surface of the beam (3), a vertical beam (4) is installed at the center of the lower surface of the beam (3), and both the beam (3) and the vertical beam (4) are fixed on one side of the casing (1) by screws A bracket (6) is fixedly installed on the other side of the casing (1), and a through hole (5) is opened on the upper surface of the bracket (6). 5.根据权利要求4所述的一种多翼式离心风机导风装置,其特征在于,所述横梁(3)与竖梁(4)为上下垂直安装,且横梁(3)与竖梁(4)的连接处上表面通过螺丝固定有轴承(16),所述轴承(16)的内壁半径和驱动轴(7)的半径相等,所述横梁(3)的长度为竖梁(4)长度的二倍,且横梁(3)和竖梁(4)均为不锈钢材质构件。5. A kind of multi-blade centrifugal fan air guide device according to claim 4, is characterized in that, described transverse beam (3) and vertical beam (4) are vertically installed up and down, and transverse beam (3) and vertical beam ( 4) The upper surface of the connection is fixed with a bearing (16) by screws, the inner wall radius of the bearing (16) is equal to the radius of the drive shaft (7), and the length of the beam (3) is the length of the vertical beam (4) twice, and the beams (3) and vertical beams (4) are made of stainless steel. 6.根据权利要求4所述的一种多翼式离心风机导风装置,其特征在于,所述支架(6)为L型结构,所述通孔(5)的数量为四个,且通孔(5)均匀分布在支架(6)的上表面,所述外壳(1)为中空长方体结构。6. A multi-blade centrifugal fan air guide device according to claim 4, wherein the bracket (6) is an L-shaped structure, the number of the through holes (5) is four, and the The holes (5) are evenly distributed on the upper surface of the bracket (6), and the casing (1) is a hollow cuboid structure.
CN201921893491.1U 2019-11-05 2019-11-05 Multi-wing centrifugal fan air ducting Active CN211116708U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921893491.1U CN211116708U (en) 2019-11-05 2019-11-05 Multi-wing centrifugal fan air ducting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921893491.1U CN211116708U (en) 2019-11-05 2019-11-05 Multi-wing centrifugal fan air ducting

Publications (1)

Publication Number Publication Date
CN211116708U true CN211116708U (en) 2020-07-28

Family

ID=71698456

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921893491.1U Active CN211116708U (en) 2019-11-05 2019-11-05 Multi-wing centrifugal fan air ducting

Country Status (1)

Country Link
CN (1) CN211116708U (en)

Similar Documents

Publication Publication Date Title
CN201705694U (en) High-temperature resistance mixed-flow fan
CN202118009U (en) Axial flow fan system of air conditioner outdoor unit
CN211116708U (en) Multi-wing centrifugal fan air ducting
CN205747303U (en) A fresh air unit
CN212508887U (en) Low-noise high-speed centrifugal fan
CN206625995U (en) A kind of computer room air exhausting device
CN212717303U (en) High-efficient low noise mixed flow fan
CN210889479U (en) Baffle tee bend
CN210738862U (en) Multi-air-duct centrifugal fan
CN210919513U (en) Centrifugal fan control device
CN210461131U (en) Axial flow fan
CN110608182B (en) Environmentally friendly cooling fan
CN208918847U (en) A kind of vertical single stage centrifugal pump
CN206785743U (en) A kind of Environmental-protecting dust-removing centrifugal fan
CN219953691U (en) Centrifugal ventilator with double air inlets
CN216491791U (en) Electric fan control mainboard with heat radiation structure
CN221784001U (en) A new type of high-power fan motor cooling device
CN216922565U (en) Centrifugal fan with bladeless jet ring
CN219865605U (en) Noise reduction volute assembly of centrifugal blower
CN216199146U (en) Air duct structure of centrifugal fan
CN221120388U (en) Vortex-proof centrifugal fan
CN214094815U (en) Novel exhaust duct for building
CN221762237U (en) Low-noise energy-saving fan
CN204591726U (en) A kind of double-layered cylinder induced draught fan
CN216342942U (en) Energy-saving low-noise cabinet type centrifugal fan

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A wind guiding device for multi wing centrifugal fan

Effective date of registration: 20211118

Granted publication date: 20200728

Pledgee: Foshan Nanhai Xinhua Village Bank Co.,Ltd.

Pledgor: Foshan yalutai ventilation equipment Co.,Ltd.

Registration number: Y2021980012788

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Granted publication date: 20200728

Pledgee: Foshan Nanhai Xinhua Village Bank Co.,Ltd.

Pledgor: Foshan yalutai ventilation equipment Co.,Ltd.

Registration number: Y2021980012788